code: def test_export_model_zoo_tvm():
      try:
          import tvm
      except ImportError:
          print("No tvm installed, skipping...")
          return
      for model in ["resnet18_v1"]:
          gcv.utils.export_block(
              model, gcv.model_zoo.get_model(model, pretrained=True)
          )
  
file_path: gluon-cv/tests/model_zoo/test_utils_export.py
imports: from __future__ import print_function
  import numpy
  import mxnet
  import gluoncv
  from gluoncv.model_zoo.model_store import pretrained_model_list
  from ..unittests.common import try_gpu
label_desc: Use image node_id 4 for calling a global function with example usage: test_export_model_zoo_tvm() without return types